<template>
  <el-container>
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="../assets/logo.png" alt />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
   <!-- 主体 -->
    <el-container>
        <!-- 侧边栏 -->
      <el-aside width="200px" >
        <h5>自定义颜色</h5>
    <el-menu router
      default-active="2"
      class="el-menu-vertical-demo"
     
      background-color="#545c64"
      text-color="#fff"
      active-text-color="#ffd04b">
      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span>权限管理</span>
        </template>
       
        <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id">
          <template slot="title">
            <i :class="iconObj[item.id]"></i>
            {{item.authName}}</template>
          <el-menu-item :index="'/'+subItem.path+''" v-for="subItem in item.children" :key="subItem.id">
             <span>{{ subItem.authName}}</span>
          </el-menu-item>
        </el-submenu>
      </el-submenu>


      <el-menu-item index="2">
        <i class="el-icon-menu"></i>
        <span slot="title">导航二</span>
      </el-menu-item>
      <el-menu-item index="3">
        <i class="el-icon-document"></i>
        <span slot="title">系统工具</span>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <span slot="title">日志管理</span>
      </el-menu-item>
    </el-menu>
      </el-aside>
      <!--主题内容  -->
      <el-main>
           <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      // 左侧菜单数据
      menuList: [],
      iconObj: {
        "125": "iconfont icon-user",
        "103": "iconfont icon-tijikongjian",
        "101": "iconfont icon-shangpin",
        "102": "iconfont icon-danju",
        "145": "iconfont icon-baobiao"
      },
      // 默认不折叠
      isCollapse: false,
      // 被激活导航地址
      activePath: ""
    };
  },
  created() {
    this.getMenuList();
    this.activePath = window.sessionStorage.getItem("activePath");
  },
  methods: {
    logout() {
      // 清空token
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    // 获取请求菜单
    async getMenuList() {
      const { data: res } = await this.$http.get("menus");
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.menuList = res.data;
      console.log(res)
    },
    // 菜单的折叠与展开
    // togleCollapse() {
    //   this.isCollapse = !this.isCollapse;
    // },
    // // 保存连接的激活地址
    // saveNavState(activePath) {
    //   window.sessionStorage.setItem("activePath", activePath);
    // }
  }
};
</script>

<style lang="less" scoped>
.el-container {
  height: 100%;
}
.el-header {
  background-color: #373f41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    img {
      height: 40px;
    }
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;

  .el-menu {
    border: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
  margin-right: 10px;
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  // 鼠标放上去变成小手
  cursor: pointer;
}
</style>
